MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Luis Castillo
Luis Castillo
CWS · P
Change to
Rhett Lowder
CIN · P
Change to
Who's more valuable, rest of season

Luis Castillo.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and WHIP. Rhett Lowder’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
K
ERA
WHIP
W
SV n/a

Luis Castillo wins 3 categories (K, ERA, WHIP); Rhett Lowder wins 1 (W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Luis Castillo
95.3
Rhett Lowder
93.6
Swinging-Strike %lg 11.0% · higher = better
Luis Castillo
12.6%
Rhett Lowder
8.3%
Strikeout %lg 22.0% · higher = better
Luis Castillo
19.2%
Rhett Lowder
17.2%
Chase %lg 28.5% · higher = better
Luis Castillo
31.8%
Rhett Lowder
27.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Luis Castillo
42.0%
Rhett Lowder
38.3%
Barrel % Allowedlg 8.0% · lower = better
Luis Castillo
9.5%
Rhett Lowder
9.2%
xwOBA Allowedlg .315 · lower = better
Luis Castillo
.339
Rhett Lowder
.347
stabilized — trust it · small sample yet · dashed = league avg · right = better
05

The tape

Rest-of-season projection · bold = leads
rest-of-season projection current season projection range
Rate · earned-run quality
ERAlower is better
Luis Castillo
4.275.89
lg xERA 4.10
now 5.53
4.63
Rhett Lowder
4.275.89
lg xERA 4.10
now 5.01
4.80
WHIPlower is better
Luis Castillo
1.291.52
now 1.45
1.36
Rhett Lowder
1.291.52
now 1.45
1.43

Volume · rest of season
Strikeoutshigher is better
Luis Castillo
4074.80
now 56
13
Rhett Lowder
4074.80
now 31
9
Winshigher is better
Luis Castillo
.0004.20
now 2
01
Rhett Lowder
.0004.20
now 3
11

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
SellLuis Castillo — sell.conf 0.79
SellRhett Lowder — sell.conf 0.87
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